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Finding the Fourth Proportional to 186,328.62, 279,085.56 and 144,097.65

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Solution

The fourth proportional to 186,328.62, 279,085.56 and 144,097.65 is: 215,831.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,328.62 : 279,085.56 = 144,097.65 : x
  2. Step 2: Convert to fraction form
    186,328.62/279,085.56 = 144,097.65/x
  3. Step 3: Cross multiply
    186,328.62x = 279,085.56 × 144,097.65
  4. Step 4: Simplify right side
    186,328.62x = 40,215,573,344.93
  5. Step 5: Solve for x
    x = 40,215,573,344.93/186,328.62
  6. Step 6: Final answer
    x = 215,831.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.